Sam – who completed the race in three hours and 15 minutes – helped to raise £16,000 for Cahonas Scotland.

They pair been hard at work shooting season four of their critically-acclaimed show for the past few months after a gripping series three finale.

Tribute: The model also posted a meme of the Island at War actor, who joined thousands to run the 26-mile Stirling marathon on Sunday

Viewers were left on the edge of their seats when Claire and Sam Heughan’s character James landed on the shores of America after battling an epic shipwreck in the season three finale of Outlander.

The season three finale opened with Claire submerged in the water with a rope around her in dramatic scenes.

‘Everything around me was a blinding white. And there was a soft rushing sound like the wings of angels. I felt peaceful and bodyless. Free of terror. Free of rage. Filled with a quiet happiness,’ she said in a voice over.

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Hotly-anticipated: Viewers were left on the edge of their seats when Claire and Sam Heughan’s character James landed on the shores of America after battling an epic shipwreck in the season three finale of Outlander

The nail-biting ending referenced the show’s beginning and saw Claire fighting for her life after nearly drowning in the Caribbean Sea.

But before it is too late James then jumped in and rescued her, with the pair then both washing up on a beach.

Season four is an adaptation of the fourth book in Diana Gabaldon’s series of novels – Drums Of Autumn.